1. Detroit Medical Center; Detroit Michigan
2. Department of Cardiology, Yale School of Medicine; New Haven Connecticut
3. Department of Internal Medicine, Mount Sinai St. Luke's Roosevelt Hospital; New York New York
4. Department of Internal Medicine; Staten Island University Hospital; Staten Island New York
5. Department of Internal Medicine; Tulane School of Public Health & Tropical Medicine; New Orleans Louisiana
6. Department of Internal Medicine; Saint Peter's University Hospital; New Brunswick New Jersey
7. Department of Cardiology; University of Miami Miller School of Medicine; Miami Florida
8. Department of Internal Medicine; MedStar Washington Hospital Center; Washington District of Columbia
9. Department of Cardiology; Mayo Clinic; Rochester Minnesota
10. Department of Internal Medicine; Icahn School of Medicine at Mount Sinai; New York New York
11. Department of Internal Medicine; New York Medical College; Valhalla New York
12. Department of Internal Medicine; Prince George's Hospital Center; Cheverly Maryland
13. Department of Internal Medicine, Western Reserve Health System; Youngstown Ohio